ST-ACTS: a spatio-temporal activity simulator
2006 (English)In: GIS '06 Proceedings of the 14th annual ACM international symposium on Advances in geographic information systems / [ed] Rolf A. de By and Silvia Nittel, ACM Press, 2006, 155-162 p.Conference paper (Refereed)
Creating complex spatio–temporal simulation models is a hot issue in the area of spatio–temporal databases . While existing Moving Object Simulators (MOSs) address different physical aspects of mobility, they neglect the important social and geo–demographical aspects of it. This paper presents ST–ACTS, a Spatio–Temporal ACTivity Simulator that, using various geo–statistical data sources and intuitive principles, models the so far neglected aspects. ST–ACTS considers that (1) objects (representing mobile users) move from one spatio–temporal location to another with the objective of performing a certain activity at the latter location; (2) not all users are equally likely to perform a given activity; (3) certain activities are performed at certain locations and times; and (4) activities exhibit regularities that can be specific to a single user or to groups of users. Experimental results show that ST-ACTS is able to effectively generate realistic spatio–temporal distributions of activities, which make it essential for the development of adequate spatio–temporal data management and data mining techniques.
Place, publisher, year, edition, pages
ACM Press, 2006. 155-162 p.
spatio–temporal data, data generation, moving object simulation, activity simulator, data mining
IdentifiersURN: urn:nbn:se:kth:diva-81990DOI: 10.1145/1183471.1183498ISBN: 1-59593-529-0OAI: oai:DiVA.org:kth-81990DiVA: diva2:499338
14th Annual ACM International Symposium on Advances in Geographic Information Systems, ACM-GIS'06; Arlington, VA; 6 November 2006 through 11 November 2006
QC 201202282012-02-132012-02-112012-02-28Bibliographically approved